- Types:
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Scleroderma aurantium, Scleroderma citrinum
an earthball fungus that is a dingy brownish yellow and a dark purplish interior; the peridium is covered with a pattern of small warts
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Scleroderma flavidium, star earthball
an earthball with a smooth upper surface that is at first buried in sand; the top of the fruiting body opens up to form segments like the ray of an umbel
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Scleroderma bovista, smooth earthball
an earthball with a peridium that is firm dry and smooth when young but developing cracks when mature; pale orange-yellow when young and reddish brown at maturity